| 摘要 |
An improved sucker pin bushing for an injection mold is disclosed. In various preferred embodiments, the improved sucker pin bushing maintains much of the configuration of a conventional sucker pin bushing, namely a body portion and a head portion having a larger diameter than the body portion. A shoulder is formed where the body portion meets the head portion. However, the need for a jam screw or other retaining means is eliminated by the present invention by the inclusion of threads on the head portion of the bushing.
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